Seating-and sleeping furniture

ABSTRACT

A seating- and sleeping-furniture piece, which comprises a framework and a cushion swingably mounted on the framework. The cushion is adapted to form in a seating furniture a backrest in its backward upwardly swung position, and to form in a sleeping furniture a wedge cushion in its downwardly swung position. Two cushions are disposed on a carriage capable of rolling-in into and rolling-out from the framework. The cushions are disposed on top of each other in the seating furniture and during their rolling out and under-grip in the seating position the cushion swung upwardly as a backrest and rolling out so far in the one bed position under the cushion swung upwardly as a backrest, that the forward bottom edge of the backrest and the rear edge of the seating- and the laying-cushion are disposed vertically on top of each other, and in the double bed position, the two seating- and laying-cushions are disposed one behind the other, and capable of being laid down in the double bed position following the cushion swung forward downwardly as a wedge cushion with the formation of a double laying face. The carriage comprises two telescope-like parts displaceable relative to each other. The inside disposed of the parts defines a bedding chamber, which has an engagement face for the upper of the seating cushions in its use as laying cushion, as well as have an engagement face for the wedge cushion, and is supported on the floor. The outside disposed part is supported on the floor on the front and at the rear by means of rollers on the inside disposed part, and forms an engagement face for the lower seating- and laying-cushion. A cover receives a wire insert to form an upper closure for the bedding chamber, and is swingably mounted in a frame. The frame is swingably mounted on the inner part of the carriage and is equipped with slide pins. The framework includes obliquely rearwardly disposed grooves which secure the slide pins. Roller means are formed on the outer part of the carriage, and side parts of the frame are formed as sliding faces for the roller.

United States Patent [191 Alembik 1 1 SEATING-AND SLEEPING FURNITURE[76] Inventor: Alfred Alembik, Andergasse 58,

Vienna 17, Austria [22] Filed: Oct. 1, 1971 [21] Appl. No.: 185,539

[30] Foreign Application Priority Data Nov. 19, 1970 Austria 710438/70[52] US. Cl. 5/13, 5/37 R [51] Int. Cl. A47c 17/14 [58] Field of Search5/12, l3, 17, 18, 28, 29,

[56] References Cited UNITED STATES PATENTS 3,092.846 6/1963 Biby 5/18 R2,320,614 6/1943 Kleine... 2,307,908 1/1943 Cambell... 2 907,053 10/1959Fox 3.041635 7/1962 Holtzclaw 5/18 R FOREIGN PATENTS OR APPLICATIONS1,121,290 l/l962 Germany 5/18 R 265,569 10/1968 Austria 5/18 R 690,7904/1940 Germany. 5/18 R 848,839 8/1939 France 5/18 R 993,095 7/1951France 5/18 R Primary Examiner-Casmir A. Nunberg [57] ABSTRACT Aseatingand sleeping-furniture piece, which comprises a framework and acushion swingably mounted on the framework. The cushion is adapted toform in a seating furniture a backrest in its backward up Mar. 26, 1974wardly swung position, and to form in a sleeping furniture a wedgecushion in its downwardly swung position. Two cushions are disposed on acarriage capable of rolling-in into and rolling-out from the framework.The cushions are disposed on top of each other in the seating furnitureand during their rolling out and under-grip in the seating position thecushion swung upwardly as a backrest and rolling out so far in the onebed position under the cushion swung upwardly as a backrest, that theforward bottom edge of the backrest and the rear edge of the seatingandthe layingcushion are disposed vertically on top of each other, and inthe double bed position, the two seatingand laying-cushions are disposedone behind the other, and capable of being laid down in the double bedposition following the cushion swung forward downwardly as a wedgecushion with the formation of a double layving face. The carriagecomprises two telescope-like parts displaceable relative to each other.The inside disposed of the parts defines a bedding chamber, which has anengagement face for the upper of the seating cushions in its use aslaying cushion, as well as have an engagement face for the wedgecushion, and is supported on the floor. The outside disposed part issupported on the floor on the front and at the rear by means of rollerson the inside disposed part, and forms an engagement face for the lowerseatingand layingcushion. A cover receives a wire insert to form anupper closure for the bedding chamber, and is swingably mounted in aframe. The frame is swingably mounted on the inner part of the carriageand is equipped with slide pins. The framework includes obliquelyrearwardly disposed grooves which secure the slide pins. Roller meansare formed on the outer part of the carriage, and side parts of theframe are formed as sliding faces for the roller.

12 Claims, 8 Drawing Figures PATENIEDMms 1914 SHEUIBFS F/GJ PATENIEHmzsi974 SHEET 3 BF 3 INVENTOR ATTORNEY SEATING-AND SLEEPING FURNITURE Thepresent invention relates to a seatingand sleeping furniture pieceuseable as a single or double bed.

A seatingand sleeping-furniture piece has been known in the AustrianPat. No. 230,570, in which a cushion is swingably mounted on a frame,which cushion forms in the seating-furniture piece a back rest in itsswung-up position and in the sleeping-furniture piece a wedge cushion inits downwardly swung position and in which two cushions are provided ona carriage capable of rolling inwardly and outwardly, respectively,relative to the framework. The two cushions are superposed in theseating-furniture piece and during rolling out of the carriage andundergrip the cushion swung upwardly as a backrest and in the single bedposition are rolled out so far below the cushion swung upwardly as abackrest, that the forward edge of the backrest and the rear edge of theseatingand lyingcushions, respectively, are vertically on top of eachother, and in the double-bed position the two seatingand lying-cushions,respectively, are arranged one behind the other and capable of beinglaid, following the cushion swung downwardly as a wedge cushion, withthe formation of a double laying face. The carriage consists thereby oftwo parts telescopically displaceable relative to each other, theinwardly disposed part forming a bedding chamber, having a supportingface for the upper seating cushion and being supported itself on thefloor, while the outwardly disposed part is sup ported at the front onthe floor and at its rear by means of rollers on the inwardly disposedfloor, and forms a supporting face for the lower seatingandlayingcushion.

It is one object of the present invention to provide a seatingandsleeping-furniture piece, which is designed such, that in theseating-position the superposed'seating and laying-cushions have anoblique inclination in rearward direction, in order to render the seatmore comfortable. This oblique inclination is to be removed again,however, during the transformation of the seating-furniture piece into asleeping-furniture piece and is formed as a plane and horizontal layingface. It is further aimed at thereby, that also the cushion finding useas a wedge cushion can be brought into any obliqueor inclined-position,yet also into a horizontal position. The support of the cushion is to beperformed such, that no impressions result on its upholstery.

Finally, the present invention aims at a construction,

in which the cushion forming in the seating position a backrest and inthe sleeping position a wedge cushion is to maintain at first itsposition during the transformation from the seating position into thesleeping position that means is not to tip downwardly, before swingingit down manually. On the other hand, the upward swinging of the cushionfrom its position as a wedge cushion into its position as a backrest isto be simplified.

It is also an essential object of the present invention to provide aseatingand sleeping-furniture piece, wherein a cover, receiving a wireinsert and serving as an upper closure for the bedding chamber, isswingably mounted in a frame, which is swingably mounted on the innerpart of the carriage and is equipped with slide pins, which enter ingrooves and rails, respectively, disposed in the frame obliquelyrearwardly inclined, whereby the side parts of the frame are formed assliding faces for the rollers or slides provided on the outer part ofthe carriage.

It is still another object of the present invention to provide aseatingand sleeping-furniture piece, wherein rests or abutments,respectively, are provided in the grooves or rails, respectively, forsecuring the carriage in the position of use, namely as single bed, butalso as a seating furniture piece and as a double bed.

It is a further object of the present invention to provide a seatingandsleeping-furniture piece, wherein springs, by example of draw springsbetween the part of the carriage, preferably the slide pin secured tothe frame and the framework, for support of the outward rolling of thecarriage.

It is yet another object of the present invention, to provide aseatingand sleeping-furniture piece, wherein rests or abutments,respectively, are provided in the sliding faces of the side parts of theframe, for securing both parts of the carriage relative to each other.

In accordance with a preferred embodiment of the present invention wallsof flexible material, by example textile material or synthetic material,is provided as a rear and lateral closure of the bedding chamber.

It is still a further object of the present invention, to provide aseatingand sleeping-furniture piece, which includes a swivel-bearingconnected with the framework for adjustment of height provided for theswingable mounting of the backrest or wedge cushion, respectively. Theswivel-bearing has, in accordance with the present invention, a bearingpin flattened at least on one side, which is yieldingly supported, byexample on a blade spring. The blade spring can be secured thereby inslots of bearing blocks, which are connected with the framework foradjustment of their height or it may have seats for its securing byscrews to bearing blocks connected with the framework for adjustment oftheir heights.

It is brought about at first by the blade spring, which cooperates withthe flattened part of the bearing pin, that the backrest tipsdownwardly, as soon as the seatingor laying-cushion cannot support itany more, rather can be swung downwardly only by manual operation.Furthermore, it is brought aboutby the yielding support of the bearingpin by a blade spring, that the backrest sinks slightly downwardly, assoon as the seatingor laying-cushions are pulled out under it andthereby prevents a rearward sliding of the carriage. By this arrangementthe position of the furniture piece as a single bed is fixed in onedirection. Finally, the blade spring supports the upward swinging of thewedge cushion into its position as a backrest.

The connection of the swivel bearing for the backrest or wedge cushion,respectively, which connection is adjustable as to its height, providesalso the possibility for variation of the inclined position of the wedgecushion, in particular to achieve, that the wedge cushion assumes ahorizontal position in the bed position.

For the securing of the use positions of the cushion as a backrest or asa wedge cushion, respectively, in accordance with the present invention,an abutment is provided laterally on the backrest or the wedge cushionand preferably adjustable counter abutments are provided on the insideof the framework.

In another embodiment of the present invention, joint bars are providedlaterally on the backrestor wedge cushion, respectively, for theswingable mounting of the latter, which joint bars are pivotally on theinside of the framework and have outwardly directed projections, byexample throws, which enter bowshaped recesses on the inside of theframework, the ends of which are formed as abutments for the projectionsfor securing the use positions of the cushion as a backrest or as awedge cushion, respectively. Adjustable abutments can be providedthereby at the ends of the bow-shaped recesses.

With these and other objects in view, which will become apparent in thefollowing detailed description, the present invention, which is shown byexample only, will be clearly understood in connection with theaccompanying drawings, in which:

FIG. 1 is a perspective front view of the furniture piece designed inaccordance with the present invention, in its use as a seating furniturepiece;

FIG. 2 is a side elevation of the furniture piece shown in FIG. 1;

FIG. 3 is a side elevation of the furniture piece in its use position asa bed for one person;

FIG. 4 is a side elevation of the furniture piece in the use positionfor a double bed;

FIG. S-is a fragmentary elevation of the mounting of the backrest orwedge cushion, respectively;

FIG. 6 is a fragmentary elevation of another embodiment of the mountingof the backrest or wedge cushion;

FIG. 7 is a side elevation of still another embodiment of the mountingofthe backrest or wedge cushion; and

FIG. 8 is a rear elevation of the mounting shown in FIG. 7.

Referring now to the drawings, and in particular to FIGS. 1 to 5, theseatingand sleeping furniture piece comprises a frame work 1, which hasmain members, which are secured to a base frame 1'. A cushion 2 isswingably mounted on the main members of the framework by means of abearing pin 3. The cushion 2 serves in the seating furniture piece as abackrest and is covered at its front side and its top side with afurniture covering material, while its backside is covered with anysuitable material. The cushion 2 is upholstered on both sides. Theseating face is formed of two cushions 4 and 5,-whereby the cushion isarranged on an outer part 6 of a carriage capable of rolling-out from orrolling-in into the framework 1. The cushion 4 lies on the cushion 5 inthe use as a seating furniture piece and is covered with any suitablefurniture covering material on the outer sides which are visible in itsuse as a seating furniture piece. In the seating position of thefurniture piece the cushion 2 is entirely or partially (FIG. 2)undergripped by the cushions 4 and 5 so that a seating face results,which permits a comfortable seating. If a deeper seating face isdesired, it will suffice to pull out the carriage for a certain length.The framework can be supported by feet or by a socket or the like on thefloor. The cushions 2 and 4 can be divided in three parts at their frontand upper sides, and they are covered on their back side and theirbottom side throughout with any suitable material.

, For the formation of a laying face for one person, the carriage isrolled out so far, that, as shown in FIG. 3, the rear edges of thecushions 4 and 5 come to lie vertically below the forward bottom edge ofthe cushion 2. The bearing pin 3 of the cushion 2 is, as shown in FIGS.5 and 6, flattened at least on one side and it supports itself on ablade spring 20. By this type of support, it is brought about at first,that the backrest remains in the position shown in FIGS. 1 to 3, even ifthe seating and laying cushions 4 and 5 are pulled out thereunder.Furthermore, in the position of the furniture piece, shown in FIG. 3, itis brought about, that the cushion 2 sinks slightly downwardly with abending through of the blade spring 2, when its bottom forward edgelosses its support by the upper cushion 4. Thus the backrest 2 forms anabutment for the seating and laying cushion 4 and prevents a backroilingof the carriage.

The carriage comprises an outer part 6 and an inner part 7. The innerpart 7 runs on rollers on the floor, while the outer part 6 is supportedby rollers 9 or slides on the inner part and is supported by rollers 10,which are disposed behind a socket, on the floor.

For the rollers 9 abutments 27 are provided in the inner part 7, whichlimit the rolling out into the position shown in FIG. 4 and the slidingin into the positions shown in FIGS. 2 and 3. For simplification of thehandling grips 35 covering the part 6 of the carriage can be provided.

The inner part of the carriage receives a bedding chamber 11, which iscovered by a cover 12 receiving a wire insert. This cover 12 isswingably mounted about hinges 18 in a frame 14 and equipped with grips36, in order to make possible an opening of the bedding chamber 11.

The frame 14 is swingably mounted about a swinging axis 17 in the part 7of the carriage, and it is equipped with sliding pins 15, which entergrooves or rails 16, respectively, which are provided on the inside ofthe framework 1. For simplification of the rolling out of the carriage,springs engaging the sliding pin, and in particular draw springs 28 orpressure springs can be provided. The grooves or rails 16, respectively,are inclined rearwardly and downwardly, so that the frame 14 assumes inthe seating position of the furniture piece a rearwardly inclinedposition and thereby also the outer part 6 of the carriage, on which theseating or laying cushions 4 and 5 are resting, assume a similarinclined position, so that the rearwardly inclined seating face results.The arrangement of the grooves or rails 16, respectively, is chosenthereby such, that frame 14 in the sleeping position of the furniturepiece in accordance with FIG. 4 assumes aready a horizontal position andthereby a horizontal laying face results. It is also possible, to choosethe oblique position of the grooves or rails 16, respectively, such thatalso in the position of FIG. 3, thus as in the use position of thefurniture piece as individual bed, a horizontal position of the frame 14and thereby of the cushions 4 and 5, respectively, results. For securingof the use positions of the furniture piece as a seating furniture (FIG.2), as a single bed (FIG. 3) and as a double bed, rests 26 can beprovided for the sliding pins 15 in the grooves or rails, 16,respectively.

The frame 14 is formed as a sliding face for the rollers or slides 9arranged at the outer part 6 of the carriage and the sliding facecarries the abutments 27.

The bedding chamber 11 is laterally and vertically closed up by boards19 of flexible material, by example of textiles or synthetic material,so that the frame 14 is not hindered in its movement and the beddingprovided in the bedding chamber 11 is correspondingly retained.

After the rolling out of the carriage 6 and 7 and the removal of thebedding from the bedding chamber 11, the cushion 4, which can beswingably connected with the cushion 5 at the edge 13, is laid on thecover 12, thereafter the cushion 2 is swung downwardly until it lies onthe part 7 of the carriage. In this position a laying face for twopersons with an inclined head support is created. The faces serving thelaying between the cushions 4 and 5 are covered by means of any suitablematerial. For securing of the cushion 2 is a backrest (FIG. 2) and awedge cushion (FIG. 4) abutments 33 can be provided laterally on thecushion 2 and counter abutments or complementary abutments 34, thatlatter adjustable, on the framework 1.

If another oblique position of the cushion 2, particularly a horizontalposition is desired, then the swinging bearing for the backrest or thewedge'cushion 2 can be connected with the framework 1 for adjustment asto height. In the embodiment of the swivel bearing shown in FIG. 5 theblade spring is secured in slots 22 of bearing blocks 21. These bearingblocks 21 can be connected adjustable as to their height with theframework 1. In case of a height adjustment of the bearing blocks 21 thehigh position of the bearing pin 3 must also be varied, so that thecushion 2 obtains its position as a backrest in the seating position ofthe furniture.

In the embodiment of the swivel bearing in FIG. 6, a bearing pin 3flattened on one side is again supported by a blade spring 20, which haslongitudinal slots 23 for the passage of screws 24. The screws 24 enterinto bearing blocks 25, which are again connected adjustable as to theirheight with framework 1.

In accordance with FIGS. 7 and 8 a joint bar 29 end is secured laterallyon the cushion 2, which joint bar 29 carries a bearing pin 3. The jointbar 29 has projections 30, by example in form of throws, which extendoutwardly and which in turn enter into recess 31 in the framework 1extending concentrically to the rotary pins 3. The ends of thearched-shaped recesses 31 form end abutments for the projections 30 andsecure the positions of the cushion 2 as a backrest and as a wedgecushion, respectively. Also particular, preferably adjustable abutments32 can be provided in order to vary the positions of the cushion 2.

The shown and described embodiments serve only for an explanation of theessence of the present invention, without limiting the same to details.Thus, it is particularly possible to create a seating furniture byapplying the present invention, which seating furniture can betransformed into a single bed. Also a seating furniture for two personscan be formed with a carriage divided in its center, the parts of whichare capable of being rolled out separately, in order to create a bed forone or for two persons.

While I have disclosed several embodiments of the present invention, itis to be understood, that these embodiments are given by example onlyand not in a limiting sense.

I claim:

1. A convertible seat and bed furniture unit comprising twotelescope-like parts displaceable relative to each other, andconstituting a carriage,

a framework,

said carriage movably mounted in said framework,

the latter defining a rear portion, and defining a forward opening, saidcarriage mounted in said framework capable of being rolled-out in aforward direction away from said rear portion through said forwardopening for converting said furniture unit into a bed and said carriagemounted in said framework capable of being rolled-in, in a rearwarddirection towards said rear portion through said forward opening forconverting said furniture unit into a seat,

a back cushion pivotally mounted on said framework adjacent said rearportion so as to be pivoted between a substantially rearward upwardlyswung vertical position of said back cushion and a substantially forwarddownwardly swung horizontal position of said back cushion, said cushionconstituting a backrest for a seat in said rearward upwardly swungposition, and constituting a wedge cushion for a bed in said forwarddownwardly swung position,

two additional cushions disposed on said carriage,

said two additional cushions comprising an uppermost cushion beingdisposed on top of a lowermost cushion in said seat and during saidrolling out, and gripping under, in the seat position, said back cushionswung rearward upwardly as a back rest,

said carriage capable of being positioned in a partially rolled outposition relative to said framework and constituting a single bedposition in which position, a forward bottom edge of said back cushionmaintained in the rearward upwardly swung vertical position and a rearedge of said additional cushions being disposed vertically on one other,and

said carriage having a double-bed position in a maximum rolled outposition relative to said framework, and in the double bed position saidtwo additional cushions being positionable one behind the other, andcapable of being laid down forward of said back cushion, the latter insaid double-bed position being swingable forward downwardly as a wedgecushion with the formation of a double laying face,

said telescopic parts including an inside disposed of saidtelescopic-like parts defining a bedding chamber, having a firstengagement face for said uppermost of said two additional cushionspositionable thereon in said double bed position, as well as for saidwedge cushion when in said double-bed position, and said inside disposedpart being supported on the floor,

said telescopic parts including an outside disposed part being supportedon the floor on a front part thereof, and forming a second engagementface for a lowermost of said two additional cushions,

a cover receiving a wire insert to form an upper closure for saidbedding chamber, being swingably mounted in a frame,

said frame being swingably mounted on said inner part of said carriageand being equipped with slide pin means,

said framework including obliquely rearwardly disposed groove means forreleasably securing said slide pin means, a

roller means formed on a rear part of said outer disposed part of saidcarriage, and

side parts of said frame being formed as slide faces for said rollermeans.

2. The furniture unit, as set forth in claim 1, which includes abutmentmeans disposed in said groove means for said sliding pin means forsecuring said carriage the position as a single bed, as a seat and as adouble bed. 3. The furniture unit, as set forth in claim 1, whichincludes abutment means disposed in the slide faces of the side parts ofsaid frame for securing both parts of said carriage relative to eachother 4. The furniture unit, as set forth in claim 1, which includeswalls of flexible material to constitute a rear and lateral closure ofsaid bedding chamber. 5. The furniture unit, as set forth in claim 1,which includes a swivel bearing adjustably connected for heightadjustment with said frame work for the pivotal mounting of saidbackrest and wedge cushion, respectively. 6. The furniture unit, as setforth in claim 5, wherein said swivel bearing includes a bearing pinflattened at least on one side, and yielding means supporting saidbearing pin. 7. The furniture unit, as set forth in claim 6, whereinsaid yielding means comprises a blade spring.

8. The furniture unit, as set forth in claim 7, further comprisingbearing blocks having slots, said blade spring is secured in said slotsof bearing blocks, and said bearing blocks are adjustably connected withsaid framework for height adjustment. 9. The furniture unit, as setforth in claim 7, further comprising bearing blocks connected with saidframework,

said blade spring has slots for securing the latter by means of screwmeans on said bearing blocks connected with said frame work for heightadjustment,

10. The furniture unit, as set forth in claim 1, wherein a firstabutment is disposed on said back and wedge cushion respectively, and

adjustable counter abutments are disposed on the inside of saidframework cooperating with said first abutment for securing said backcushion in a substantially vertical position as a backrest for saidseat, and in a substantially horizontal position as a wedge cushion forsaid double bed position, respectively.

11. The furniture unit, as set forth in claim 1, which includes jointbar means secured laterally on said back cushion for the pivotalmounting of the latter,

said joint bar means are pivoted on an inside portions to said frameworkand have outwardly directed projections,

said framework has an arched-shaped recesses receiving said projections,and

the ends of said recesses are formed as abutments for said projectionsfor securing said cushion as a back rest in said substantially rearwardupwardly swung vertical position and as a wedge cushion in saidsubstantially forward downwardly swung horizontal position, respectively12. The furniture unit, as set forth in claim 1 l, which includesadjustable abutments disposed at the ends of said arched-shapedrecesses.

1. A convertible seat and bed furniture unit comprising twotelescope-like parts displaceable relative to each other, andconstituting a carriage, a framework, said carriage movably mounted insaid framework, the latter defining a rear portion, and defining aforward opening, said carriage mounted in said framework capable ofbeing rolled-out in a forward direction away from said rear portionthrough said forward opening for converting said furniture unit into abed and said carriage mounted in said fRamework capable of beingrolled-in, in a rearward direction towards said rear portion throughsaid forward opening for converting said furniture unit into a seat, aback cushion pivotally mounted on said framework adjacent said rearportion so as to be pivoted between a substantially rearward upwardlyswung vertical position of said back cushion and a substantially forwarddownwardly swung horizontal position of said back cushion, said cushionconstituting a backrest for a seat in said rearward upwardly swungposition, and constituting a wedge cushion for a bed in said forwarddownwardly swung position, two additional cushions disposed on saidcarriage, said two additional cushions comprising an uppermost cushionbeing disposed on top of a lowermost cushion in said seat and duringsaid rolling out, and gripping under, in the seat position, said backcushion swung rearward upwardly as a back rest, said carriage capable ofbeing positioned in a partially rolled out position relative to saidframework and constituting a single bed position in which position, aforward bottom edge of said back cushion maintained in the rearwardupwardly swung vertical position and a rear edge of said additionalcushions being disposed vertically on one other, and said carriagehaving a double-bed position in a maximum rolled out position relativeto said framework, and in the double bed position said two additionalcushions being positionable one behind the other, and capable of beinglaid down forward of said back cushion, the latter in said double-bedposition being swingable forward downwardly as a wedge cushion with theformation of a double laying face, said telescopic parts including aninside disposed of said telescopic-like parts defining a beddingchamber, having a first engagement face for said uppermost of said twoadditional cushions positionable thereon in said double bed position, aswell as for said wedge cushion when in said double-bed position, andsaid inside disposed part being supported on the floor, said telescopicparts including an outside disposed part being supported on the floor ona front part thereof, and forming a second engagement face for alowermost of said two additional cushions, a cover receiving a wireinsert to form an upper closure for said bedding chamber, beingswingably mounted in a frame, said frame being swingably mounted on saidinner part of said carriage and being equipped with slide pin means,said framework including obliquely rearwardly disposed groove means forreleasably securing said slide pin means, roller means formed on a rearpart of said outer disposed part of said carriage, and side parts ofsaid frame being formed as slide faces for said roller means.
 2. Thefurniture unit, as set forth in claim 1, which includes abutment meansdisposed in said groove means for said sliding pin means for securingsaid carriage the position as a single bed, as a seat and as a doublebed.
 3. The furniture unit, as set forth in claim 1, which includesabutment means disposed in the slide faces of the side parts of saidframe for securing both parts of said carriage relative to each other.4. The furniture unit, as set forth in claim 1, which includes walls offlexible material to constitute a rear and lateral closure of saidbedding chamber.
 5. The furniture unit, as set forth in claim 1, whichincludes a swivel bearing adjustably connected for height adjustmentwith said frame work for the pivotal mounting of said backrest and wedgecushion, respectively.
 6. The furniture unit, as set forth in claim 5,wherein said swivel bearing includes a bearing pin flattened at least onone side, and yielding means supporting said bearing pin.
 7. Thefurniture unit, as set forth in claim 6, wherein said yielding meanscomprises a blade spring.
 8. The furniture unit, as set forth in claim7, further comprising bearing blocks having slots, saId blade spring issecured in said slots of bearing blocks, and said bearing blocks areadjustably connected with said framework for height adjustment.
 9. Thefurniture unit, as set forth in claim 7, further comprising bearingblocks connected with said framework, said blade spring has slots forsecuring the latter by means of screw means on said bearing blocksconnected with said frame work for height adjustment.
 10. The furnitureunit, as set forth in claim 1, wherein a first abutment is disposed onsaid back and wedge cushion respectively, and adjustable counterabutments are disposed on the inside of said framework cooperating withsaid first abutment for securing said back cushion in a substantiallyvertical position as a backrest for said seat, and in a substantiallyhorizontal position as a wedge cushion for said double bed position,respectively.
 11. The furniture unit, as set forth in claim 1, whichincludes joint bar means secured laterally on said back cushion for thepivotal mounting of the latter, said joint bar means are pivoted on aninside portions to said framework and have outwardly directedprojections, said framework has an arched-shaped recesses receiving saidprojections, and the ends of said recesses are formed as abutments forsaid projections for securing said cushion as a back rest in saidsubstantially rearward upwardly swung vertical position and as a wedgecushion in said substantially forward downwardly swung horizontalposition, respectively.
 12. The furniture unit, as set forth in claim11, which includes adjustable abutments disposed at the ends of saidarched-shaped recesses.